body {
    background-color: #f8f9fa;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-title {
    color: #495057;
    font-weight: 600;
}

.progress {
    height: 20px;
    background-color: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background-color: #007bff;
    transition: width 0.3s ease;
}

#pie-chart {
    height: 300px;
}

.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    padding: 0.5rem 1.5rem;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}
